CVE catalog

CVE-2020-36280

leptonlib affected and fixed versions

[CVE catalog]

Leptonica before 1.80.0 allows a heap-based buffer over-read in pixReadFromTiffStream, related to tiffio.c.

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: Jun 23, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.36% · Oct 27, 2026

Projects and upstream resources

[leptonlib][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debiantrixie	leptonlib	`1.84.1-4`	Fixed	[CVE-2020-36280]
Debiansid	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debiansid	leptonlib	`1.86.0-1`	Fixed	[CVE-2020-36280]
Debianforky	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debianforky	leptonlib	`1.86.0-1`	Fixed	[CVE-2020-36280]
Debianbookworm	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debianbookworm	leptonlib	`1.82.0-3`	Fixed	[CVE-2020-36280]

Showing 8 fix observations. All 19 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debianbookworm	leptonlib	`1.82.0-3`	Fixed	[CVE-2020-36280]
Debianforky	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debianforky	leptonlib	`1.86.0-1`	Fixed	[CVE-2020-36280]
Debiansid	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debiansid	leptonlib	`1.86.0-1`	Fixed	[CVE-2020-36280]
Debiantrixie	leptonlib	`1.79.0-1.1`	FixedDistribution-reported fixed boundary	[CVE-2020-36280]
Debiantrixie	leptonlib	`1.84.1-4`	Fixed	[CVE-2020-36280]
Ubuntu20.04	leptonlib	`1.78.0-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntu20.04	leptonlib	`1.79.0-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntu22.04	leptonlib	`1.79.0-1.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntu22.04	leptonlib	`1.82.0-3`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntu22.04	leptonlib	`1.82.0-3build1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.74.4-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.74.4-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.75.3-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.75.3-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.75.3-3`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC
Ubuntupro	leptonlib	`1.75.3-3ubuntu0.1~esm1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-36280]Apr 22, 2026, 12:40:57 PM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "leptonlib",
      "status": "fixed",
      "release": "sid",
      "version": "1.86.0-1"
    },
    {
      "name": "leptonlib",
      "status": "fixed",
      "release": "forky",
      "version": "1.86.0-1"
    },
    {
      "name": "leptonlib",
      "status": "fixed",
      "release": "trixie",
      "version": "1.84.1-4"
    },
    {
      "name": "leptonlib",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.82.0-3"
    }
  ],
  "fixed_versions": [
    {
      "bug": 985089,
      "name": "leptonlib",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.79.0-1.1"
    },
    {
      "bug": 985089,
      "name": "leptonlib",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.79.0-1.1"
    },
    {
      "bug": 985089,
      "name": "leptonlib",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.79.0-1.1"
    },
    {
      "bug": 985089,
      "name": "leptonlib",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.79.0-1.1"
    }
  ],
  "distribution_packages": [
    {
      "name": "leptonlib",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.74.4-1",
        "1.74.4-2",
        "1.75.3-1",
        "1.75.3-2",
        "1.75.3-3",
        "1.75.3-3ubuntu0.1~esm1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-36280",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-36280",
      "provider_updated_at": "2026-04-22T12:40:57.391680Z",
      "applicability_unknown": true
    },
    {
      "name": "leptonlib",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "1.78.0-2",
        "1.79.0-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-36280",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-36280",
      "provider_updated_at": "2026-04-22T12:40:57.391680Z",
      "applicability_unknown": true
    },
    {
      "name": "leptonlib",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "1.79.0-1.1",
        "1.82.0-3",
        "1.82.0-3build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-36280",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-36280",
      "provider_updated_at": "2026-04-22T12:40:57.391680Z",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #985089]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[leptonica-progs]Unknown
Source package: [leptonlib]
Details (2)
- 1.82.0-3+b3 · amd64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
- 1.82.0-3+b3 · arm64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
[liblept5]Unknown
Source package: [leptonlib]
Details (2)
- 1.82.0-3+b3 · amd64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
- 1.82.0-3+b3 · arm64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
[libleptonica-dev]Unknown
Source package: [leptonlib]
Details (2)
- 1.82.0-3+b3 · amd64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12
- 1.82.0-3+b3 · arm64 · bookworm
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · bookworm; dsa · leptonlib · debian · 12

[Debian 13 (Trixie)]

[leptonica-progs]Unknown
Source package: [leptonlib]
Details (2)
- 1.84.1-4 · amd64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13
- 1.84.1-4 · arm64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13
[libleptonica6]Unknown
Source package: [leptonlib]
Details (2)
- 1.84.1-4 · amd64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13
- 1.84.1-4 · arm64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13
[libleptonica-dev]Unknown
Source package: [leptonlib]
Details (2)
- 1.84.1-4 · amd64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13
- 1.84.1-4 · arm64 · trixie
  Fixed · Fixed: 1.79.0-1.1
  dsa · leptonlib · debian · 13

Observed: Oct 23, 2026, 5:51:42 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]